1.Count back by 2s: 22, (answer space), 18, 16, (answer space), 12
2.Count by 3s: 3, 6, (answer space), 12, (answer space), 18
3.Count by 4s: 24, 28, 32, (answer space), (answer space), 44
4.Count by 5s: 15, 20, 25, (answer space), 35, (answer space)
5.Count by 10s: 20, 30, (answer space), (answer space), 60, 70
6.Count by 2s: 10, 12, (answer space), 16, 18, 20
7.Count by 3s: 9, (answer space), 15, 18, 21, (answer space)
8.Count by 4s: 24, 28, 32, (answer space), 40, (answer space)
9.Count by 5s: 10, 15, 20, (answer space), 30, (answer space)
10.Count by 10s: 40, 50, (answer space), (answer space), 80, 90